From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 0/5] simplefb: add clock handling code
Date: Thu, 06 Nov 2014 14:18:32 +0000 [thread overview]
Message-ID: <545B8338.8060908@ti.com> (raw)
In-Reply-To: <54534523.8080801@ti.com>
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On 31/10/14 10:15, Tomi Valkeinen wrote:
> Hi Hans,
>
> On 22/10/14 19:45, Hans de Goede wrote:
>
>> -We will add a clocks property to the simplefb devicetree bindings, so
>> that u-boot setup framebuffers passed to the kernel (for early console
>> support) can properly list the clocks used, and simplefb can claim them to
>> avoid them getting turned off, thereby breaking the early console
>
> Perhaps this has been discussed earlier, but I started to wonder if
> managing clocks is enough.
>
> What about regulators (to power the LCD), gpios (to keep the LCD
> enabled) and pinctrl (for video signals)? I guess any those could be
> reset by the kernel if no driver uses them.
Hans, ping. Have these been already discussed?
Tomi
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WARNING: multiple messages have this Message-ID (diff)
From: tomi.valkeinen@ti.com (Tomi Valkeinen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 0/5] simplefb: add clock handling code
Date: Thu, 6 Nov 2014 16:18:32 +0200 [thread overview]
Message-ID: <545B8338.8060908@ti.com> (raw)
In-Reply-To: <54534523.8080801@ti.com>
On 31/10/14 10:15, Tomi Valkeinen wrote:
> Hi Hans,
>
> On 22/10/14 19:45, Hans de Goede wrote:
>
>> -We will add a clocks property to the simplefb devicetree bindings, so
>> that u-boot setup framebuffers passed to the kernel (for early console
>> support) can properly list the clocks used, and simplefb can claim them to
>> avoid them getting turned off, thereby breaking the early console
>
> Perhaps this has been discussed earlier, but I started to wonder if
> managing clocks is enough.
>
> What about regulators (to power the LCD), gpios (to keep the LCD
> enabled) and pinctrl (for video signals)? I guess any those could be
> reset by the kernel if no driver uses them.
Hans, ping. Have these been already discussed?
Tomi
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From: Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>
To: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
Jean-Christophe Plagniol-Villard
<plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>,
Grant Likely
<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Luc Verhaegen <libv-AgBVmzD5pcezQB+pC5nmwQ@public.gmane.org>,
Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Mike Turquette
<mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
David Herrmann
<dh.herrmann-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Geert Uytterhoeven
<geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>,
linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: Re: [PATCH v4 0/5] simplefb: add clock handling code
Date: Thu, 6 Nov 2014 16:18:32 +0200 [thread overview]
Message-ID: <545B8338.8060908@ti.com> (raw)
In-Reply-To: <54534523.8080801-l0cyMroinI0@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 766 bytes --]
On 31/10/14 10:15, Tomi Valkeinen wrote:
> Hi Hans,
>
> On 22/10/14 19:45, Hans de Goede wrote:
>
>> -We will add a clocks property to the simplefb devicetree bindings, so
>> that u-boot setup framebuffers passed to the kernel (for early console
>> support) can properly list the clocks used, and simplefb can claim them to
>> avoid them getting turned off, thereby breaking the early console
>
> Perhaps this has been discussed earlier, but I started to wonder if
> managing clocks is enough.
>
> What about regulators (to power the LCD), gpios (to keep the LCD
> enabled) and pinctrl (for video signals)? I guess any those could be
> reset by the kernel if no driver uses them.
Hans, ping. Have these been already discussed?
Tomi
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next prev parent reply other threads:[~2014-11-06 14:18 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-22 16:45 [PATCH v4 0/5] simplefb: add clock handling code Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-10-22 16:45 ` [PATCH v4 1/5] simplefb: Add simplefb MAINTAINERS entry Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-11-11 16:27 ` Grant Likely
2014-11-11 16:27 ` Grant Likely
2014-11-11 16:27 ` Grant Likely
2014-10-22 16:45 ` [PATCH v4 2/5] dt-bindings: Add a clocks property to the simple-framebuffer binding Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-11-11 21:42 ` Grant Likely
2014-11-11 21:42 ` Grant Likely
2014-11-11 21:42 ` Grant Likely
[not found] ` <546373C6.4010001@redhat.com>
2014-11-12 14:56 ` Grant Likely
2014-11-12 14:56 ` Grant Likely
2014-11-12 14:56 ` Grant Likely
2014-11-12 15:27 ` Hans de Goede
2014-11-12 15:27 ` Hans de Goede
2014-11-12 15:27 ` Hans de Goede
[not found] ` <CACxGe6v15EjpALit4ZJLXDgCkwEYM4t1mryjoQpa3=wpKmXWEg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-12 16:38 ` Grant Likely
2014-11-12 17:43 ` Rob Herring
2014-11-12 17:43 ` Rob Herring
2014-11-12 17:43 ` Rob Herring
2014-10-22 16:45 ` [PATCH v4 3/5] simplefb: formalize pseudo palette handling Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-11-11 16:34 ` Grant Likely
2014-11-11 16:34 ` Grant Likely
2014-11-11 16:34 ` Grant Likely
2014-10-22 16:45 ` [PATCH v4 4/5] simplefb: add goto error path to probe Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-10-22 16:45 ` [PATCH v4 5/5] simplefb: add clock handling code Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-10-22 16:45 ` Hans de Goede
2014-10-28 10:44 ` [PATCH v4 0/5] " Tomi Valkeinen
2014-10-28 10:44 ` Tomi Valkeinen
2014-10-28 10:44 ` Tomi Valkeinen
2014-10-28 11:08 ` Hans de Goede
2014-10-28 11:08 ` Hans de Goede
2014-10-28 11:08 ` Hans de Goede
2014-10-28 11:11 ` Rob Herring
2014-10-28 11:11 ` Rob Herring
2014-10-28 11:11 ` Rob Herring
2014-10-28 11:30 ` [linux-sunxi] " Hans de Goede
2014-10-28 11:30 ` Hans de Goede
2014-10-28 11:30 ` [linux-sunxi] " Hans de Goede
2014-10-29 11:08 ` Tomi Valkeinen
2014-10-29 11:08 ` Tomi Valkeinen
2014-10-29 11:08 ` [linux-sunxi] " Tomi Valkeinen
2014-10-31 20:47 ` Rob Herring
2014-10-31 20:47 ` Rob Herring
2014-10-31 20:47 ` [linux-sunxi] " Rob Herring
2014-11-02 14:39 ` Hans de Goede
2014-11-02 14:39 ` Hans de Goede
2014-11-02 14:39 ` [linux-sunxi] " Hans de Goede
[not found] ` <CAL_JsqKWqq+H5ymUW3n8tkmLJHEUGaKDLX5+orJmGUQ3ECQwUQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-02 15:27 ` jonsmirl-Re5JQEeQqe8AvxtiuMwx3w
2014-11-02 15:28 ` [linux-sunxi] " jonsmirl
2014-11-02 15:28 ` jonsmirl-Re5JQEeQqe8AvxtiuMwx3w
2014-11-02 15:28 ` [linux-sunxi] " jonsmirl at gmail.com
[not found] ` <CAKON4Oyw46zjq8QJNAFi9qWA9-6MpXtGavzVmXQT3SPqH=NpjQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-05 3:36 ` Neal Peacock
2014-11-05 8:02 ` Luc Verhaegen
2014-11-05 8:02 ` Luc Verhaegen
2014-11-05 8:02 ` Luc Verhaegen
2014-11-11 21:49 ` [linux-sunxi] " Grant Likely
2014-11-11 21:49 ` Grant Likely
2014-11-11 21:49 ` [linux-sunxi] " Grant Likely
2014-11-12 8:34 ` Geert Uytterhoeven
2014-11-12 8:34 ` Geert Uytterhoeven
2014-11-12 8:34 ` [linux-sunxi] " Geert Uytterhoeven
2014-11-12 9:57 ` Grant Likely
2014-11-12 9:57 ` Grant Likely
2014-11-12 9:57 ` Grant Likely
2014-11-12 10:08 ` Geert Uytterhoeven
2014-11-12 10:08 ` Geert Uytterhoeven
2014-11-12 10:08 ` Geert Uytterhoeven
2014-11-12 10:28 ` Grant Likely
2014-11-12 10:28 ` Grant Likely
2014-11-12 10:28 ` Grant Likely
2014-10-31 8:15 ` Tomi Valkeinen
2014-10-31 8:15 ` Tomi Valkeinen
2014-10-31 8:15 ` Tomi Valkeinen
2014-10-31 9:00 ` [linux-sunxi] " Hans de Goede
2014-10-31 9:00 ` Hans de Goede
2014-10-31 9:00 ` [linux-sunxi] " Hans de Goede
2014-10-31 9:37 ` Javier Martinez Canillas
2014-10-31 9:37 ` Javier Martinez Canillas
2014-10-31 9:37 ` [linux-sunxi] " Javier Martinez Canillas
2014-10-31 9:51 ` Hans de Goede
2014-10-31 9:51 ` Hans de Goede
2014-10-31 9:51 ` [linux-sunxi] " Hans de Goede
2014-10-31 10:19 ` Javier Martinez Canillas
2014-10-31 10:19 ` Javier Martinez Canillas
2014-10-31 10:19 ` [linux-sunxi] " Javier Martinez Canillas
2014-11-06 14:18 ` Tomi Valkeinen [this message]
2014-11-06 14:18 ` Tomi Valkeinen
2014-11-06 14:18 ` Tomi Valkeinen
2014-11-06 15:05 ` [linux-sunxi] " Hans de Goede
2014-11-06 15:05 ` Hans de Goede
2014-11-06 15:05 ` [linux-sunxi] " Hans de Goede
2014-11-11 21:54 ` Grant Likely
2014-11-11 21:54 ` Grant Likely
2014-11-11 21:54 ` [linux-sunxi] " Grant Likely
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